{"product_id":"yanmar-15w-40-marine-engine-oil-1-gallon","title":"Yanmar 15W-40 Marine Engine Oil - 1 Gallon OEM Lubricant","description":"\u003cp\u003e\u003cstrong\u003eYanmar 15W-40 Marine Diesel Engine Oil - 1 Gallon\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis genuine Yanmar 15W-40 marine diesel engine oil is specifically formulated for Yanmar marine engines, providing superior protection, performance, and longevity. Essential for maintaining optimal engine operation and protecting your investment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Yanmar OEM 15W-40 marine diesel engine oil\u003c\/li\u003e\n\u003cli\u003eSpecifically formulated for Yanmar marine engines\u003c\/li\u003e\n\u003cli\u003eSuperior protection against wear, deposits, and corrosion\u003c\/li\u003e\n\u003cli\u003eExcellent performance in marine operating conditions\u003c\/li\u003e\n\u003cli\u003eMaintains proper viscosity across wide temperature range\u003c\/li\u003e\n\u003cli\u003eProtects against soot, acids, and combustion byproducts\u003c\/li\u003e\n\u003cli\u003eExtends engine life and maintains performance\u003c\/li\u003e\n\u003cli\u003e1 gallon (3.78L) container for convenient oil changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMarine-Specific Formulation:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYanmar marine engine oil is specially formulated to meet the unique demands of marine diesel engines, which operate under different conditions than automotive or industrial engines. Marine engines typically run at constant RPM for extended periods, experience higher loads, and must resist moisture and salt contamination. This oil provides the specific additive package and performance characteristics required for marine applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e15W-40 Viscosity Grade:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 15W-40 multi-grade viscosity provides excellent cold-start protection (15W winter rating) while maintaining proper oil film thickness at operating temperatures (40 weight). This viscosity grade is ideal for most marine diesel engines operating in moderate to warm climates and provides reliable protection across a wide temperature range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Protection:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis premium oil provides superior protection against wear on critical engine components including bearings, cylinder walls, pistons, and valve train. Advanced additives resist oxidation, control deposits, neutralize acids from combustion, and protect against corrosion. The oil maintains its protective properties even under the sustained high-load operation typical of marine engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to Change:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFollow Yanmar's recommended oil change intervals, typically every 100-250 operating hours or annually, whichever comes first. More frequent changes may be required for severe service conditions. Regular oil changes are the single most important maintenance task for engine longevity. Always use genuine Yanmar oil or equivalent marine diesel oil meeting Yanmar specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOil Change Procedure:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChange oil when engine is warm for complete drainage. Drain old oil completely and replace oil filter. Refill with proper quantity of fresh Yanmar 15W-40 oil according to engine specifications. Check oil level after running engine and top off as needed. Dispose of used oil properly at recycling facility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance Best Practices:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse only Yanmar genuine oil or equivalent marine diesel oil meeting Yanmar specifications. Change oil and filter on schedule - don't extend intervals. Check oil level regularly and maintain proper level. Monitor oil condition - change early if oil appears contaminated or degraded. Keep detailed maintenance records.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Marine diesel engine oil\u003c\/li\u003e\n\u003cli\u003eViscosity Grade: SAE 15W-40\u003c\/li\u003e\n\u003cli\u003eContainer Size: 1 Gallon (3.78 Liters)\u003c\/li\u003e\n\u003cli\u003eCompatible with: Yanmar marine diesel engines\u003c\/li\u003e\n\u003cli\u003ePart Number: 41540G\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YAN","offers":[{"title":"Default Title","offer_id":43564308234276,"sku":"41540g","price":69.76,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/41540g.png?v=1771180020","url":"https:\/\/marisolmarine.com\/products\/yanmar-15w-40-marine-engine-oil-1-gallon","provider":"Marisol Marine Company","version":"1.0","type":"link"}